#include "mq_connection.hpp"
#include <functional>
#include <thread>
#include <chrono>

void cb(mq::Channel::Ptr channel,const std::string& tag,const mq::BasicProperties* bp,const std::string& body)
{
    std::cout << tag << "消费了一条消息" << body << std::endl;
    if(bp != nullptr)
    {
        channel->basicAck(bp->id());
    }
}

int main(int argc,char* argv[])
{
    if(argc != 2)
    {
        std::cout << "usage: ./consume_client queue1" << std::endl;
        
        return -1;
    }
    // 1. 实例化异步工作线程对象。
    mq::AsyncWorker::Ptr awp = std::make_shared<mq::AsyncWorker>();
    // 2. 实例化连接对象。
    mq::Connection::Ptr conn = std::make_shared<mq::Connection>("127.0.0.1",8080,awp);
    // 3. 通过连接创建信道。
    mq::Channel::Ptr channel = conn->openChannel();
    // 4. 通过信道提供的服务完成所需。
    //      1. 声明一个交换机exchange1,交换机类型为广播模式。
    google::protobuf::Map<std::string,std::string> tmp_map;
    // channel->declareExchange("exchange1",mq::ExchangeType::FANOUT,true,false,tmp_map);
    // channel->declareExchange("exchange1",mq::ExchangeType::DIRECT,true,false,tmp_map);
    channel->declareExchange("exchange1",mq::ExchangeType::TOPIC,true,false,tmp_map);
    //      2. 声明一个队列queue1
    channel->declareQueue("queue1",true,false,false,tmp_map);
    //      3. 声明一个队列queue2
    channel->declareQueue("queue2",true,false,false,tmp_map);
    //      4. 绑定queue1->exchange1，且bingding_key设置为queue1.
    channel->queueBind("exchange1","queue1","queue1");
    //      5. 绑定queue2->exchange1,且binding_key设置为news.music.#
    channel->queueBind("exchange1","queue2","news.music.#");

    // 6.消费者。    
    DLOG("构建消费者。");
    auto Functor = std::bind(cb,channel,std::placeholders::_1,std::placeholders::_2,std::placeholders::_3);
    // 订阅消费者。
    channel->basicConsume("consumer1",argv[1],false,Functor);

    while(1) std::this_thread::sleep_for (std::chrono::seconds(1));

    // 7.关闭信道
    conn->closeChannel(channel);

    return 0;
}
